[ 7.212372][ T175] ip (175) used greatest stack depth: 24528 bytes left [ 7.212386][ T175] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 7.212388][ T175] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 175, name: ip [ 7.212390][ T175] preempt_count: 2, expected: 0 [ 7.212390][ T175] RCU nest depth: 0, expected: 0 [ 7.212391][ T175] INFO: lockdep is turned off. [ 7.212392][ T175] irq event stamp: 0 [ 7.212393][ T175] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 7.212398][ T175] hardirqs last disabled at (0): [] copy_process+0x1d01/0x62c0 [ 7.212405][ T175] softirqs last enabled at (0): [] copy_process+0x1d55/0x62c0 [ 7.212406][ T175] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 7.212408][ T175] Preemption disabled at: [ 7.212409][ T175] [<0000000000000000>] 0x0 [ 7.212413][ T175] CPU: 0 UID: 0 PID: 175 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 7.212417][ T175] Tainted: [W]=WARN [ 7.212418][ T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7.212419][ T175] Call Trace: [ 7.212421][ T175] [ 7.212422][ T175] dump_stack_lvl+0x6f/0xa0 [ 7.212426][ T175] __might_resched.cold+0x1fe/0x2c1 [ 7.212430][ T175] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 7.212432][ T175] ? rcu_is_watching+0x16/0xd0 [ 7.212436][ T175] __kmalloc_noprof+0x443/0x760 [ 7.212439][ T175] ? __rwlock_init+0x150/0x150 [ 7.212442][ T175] ? alloc_buf.isra.0+0x4b/0x260 [ 7.212446][ T175] ? do_raw_spin_unlock+0x59/0x250 [ 7.212448][ T175] alloc_buf.isra.0+0x4b/0x260 [ 7.212450][ T175] put_chars+0x1e1/0x2f0 [ 7.212452][ T175] ? __send_to_port+0x420/0x420 [ 7.212453][ T175] ? printk_get_next_message+0x240/0x650 [ 7.212456][ T175] ? console_prepend_replay+0x20/0x20 [ 7.212458][ T175] hvc_console_print+0x292/0x780 [ 7.212461][ T175] ? hvc_write+0x3a0/0x3a0 [ 7.212462][ T175] ? __rwlock_init+0x150/0x150 [ 7.212464][ T175] ? lock_acquire+0x13c/0x160 [ 7.212467][ T175] console_emit_next_record+0x22f/0x4c0 [ 7.212469][ T175] ? devkmsg_read+0x4b0/0x4b0 [ 7.212470][ T175] ? rcu_is_watching+0x16/0xd0 [ 7.212471][ T175] ? rcu_is_watching+0x16/0xd0 [ 7.212472][ T175] ? rcu_is_watching+0x16/0xd0 [ 7.212474][ T175] ? lock_acquire+0x13c/0x160 [ 7.212476][ T175] ? console_flush_one_record+0x111/0x710 [ 7.212477][ T175] console_flush_one_record+0x46f/0x710 [ 7.212479][ T175] ? console_emit_next_record+0x4c0/0x4c0 [ 7.212481][ T175] console_unlock+0xee/0x1f0 [ 7.212482][ T175] ? lock_acquire+0x13c/0x160 [ 7.212484][ T175] ? console_flush_one_record+0x710/0x710 [ 7.212485][ T175] ? rcu_is_watching+0x16/0xd0 [ 7.212486][ T175] ? lock_release+0x184/0x1f0 [ 7.212487][ T175] ? lock_acquire+0x60/0x160 [ 7.212489][ T175] ? __rcu_read_lock+0x30/0x70 [ 7.212491][ T175] ? __down_trylock_console_sem+0x5e/0xa0 [ 7.212493][ T175] ? vprintk_emit+0x320/0x3e0 [ 7.212494][ T175] vprintk_emit+0x37c/0x3e0 [ 7.212496][ T175] ? wake_up_klogd_work_func+0x90/0x90 [ 7.212497][ T175] ? do_raw_read_unlock+0x70/0x70 [ 7.212499][ T175] ? forget_original_parent+0x5c/0xdb0 [ 7.212501][ T175] _printk+0xc7/0x100 [ 7.212504][ T175] ? snapshot_read.cold+0x21/0x21 [ 7.212506][ T175] ? do_raw_spin_lock+0x131/0x280 [ 7.212507][ T175] ? do_raw_spin_lock+0x131/0x280 [ 7.212509][ T175] ? __rwlock_init+0x150/0x150 [ 7.212512][ T175] ? do_raw_spin_lock+0x131/0x280 [ 7.212513][ T175] do_exit.cold+0x82/0x9c [ 7.212516][ T175] ? exit_notify+0x890/0x890 [ 7.212518][ T175] ? posixtimer_sig_unignore.isra.0+0x5f0/0x5f0 [ 7.212520][ T175] ? rcu_is_watching+0x16/0xd0 [ 7.212522][ T175] do_group_exit+0xb8/0x370 [ 7.212524][ T175] __x64_sys_exit_group+0x3c/0x50 [ 7.212525][ T175] x64_sys_call+0x1567/0x1570 [ 7.212528][ T175] do_syscall_64+0x10e/0x570 [ 7.212531][ T175] ? exc_page_fault+0xee/0x100 [ 7.212533][ T175] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 7.212535][ T175] RIP: 0033:0x7f5fd7d401b8 [ 7.212537][ T175] Code: Unable to access opcode bytes at 0x7f5fd7d4018e. [ 7.212538][ T175] RSP: 002b:00007ffee902d558 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 7.212541][ T175] RAX: ffffffffffffffda RBX: 00007f5fd7e70f88 RCX: 00007f5fd7d401b8 [ 7.212542][ T175] RDX: 00007f5fd7a8afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 7.212543][ T175] RBP: 00007ffee902d5b0 R08: 0000000000000000 R09: 0000000000000050 [ 7.212544][ T175] R10: 00007ffee902d370 R11: 0000000000000246 R12: 0000000000000001 [ 7.212545][ T175] R13: 0000000000000000 R14: 00007f5fd7e6f680 R15: 00007f5fd7e70fa0 [ 7.212547][ T175] [ 7.702841][ T196] ip (196) used greatest stack depth: 24464 bytes left